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Silicon −29 Solids NMR-MAS Characterization of Non-Oxide Powders and Fibers

Published online by Cambridge University Press:  28 February 2011

Kenneth E. Inkrott ,
Stephen M. Wharry  and
Dan J. O'Donnell
Kenneth E. Inkrott
Affiliation:
Catalyst Resources Inc., Pasadena, TX 77507
Stephen M. Wharry
Affiliation:
Phillips Petroleum Company, Research and Development, Bartlesville, Oklahoma 74004
Dan J. O'Donnell
Affiliation:
Chemagnetics Inc., Ft. Collins, CO 80524
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Abstract

Powder x-ray diffraction has been the most common method for rapid structural analysis and identification of crystalline ceramic raw materials. However, new structural ceramic raw materials often have linebroadened or featureless XRD patterns due to structural strain or small crystallite size. Characterization of various silicon carbide and silicon nitride powders and ceramic fibers by Si-29 NMR-MAS spectroscopy has revealed structural details and differences in these materials previously indistinguishable by XRD or other routine methods. Unique variables intrinsic to a given ceramic synthesis process are reflected in the NMR-MAS spectra of the resulting products.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 73: Symposium H – Better Ceramics Through Chemistry II , 1986 , 165
Copyright
Copyright © Materials Research Society 1986

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References

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